18F Labeled FAP Targeted Molecular Probe in Early Tumor Diagnosis

1. Individuals with a history of allergies to similar drugs (drugs with similar chemical or biological components to FAPI), allergic constitution, or current allergic diseases; 2. Those who are currently conducting clinical research on other drugs or have participated in any clinical research on drugs (excluding vitamins and minerals); 3. There are other clinical problems that are difficult to control (such as HIV, hepatitis C virus infection or active hepatitis B, or other serious chronic infections and serious mental, neurological, cardiovascular, respiratory and other system diseases); 4. Red blood cell RBC<4 × 1012, white blood cell WBC<3 × 109, hemoglobin<110g/L, PLT<75000×109； 5. Significant abnormalities in liver and kidney function, with GFR less than 50 ml/min; 6. Tumor burden greater than 50%, or significant spinal cord compression; 7. Expected survival period is less than six months; Chemotherapy within June; 8. Having severe acute comorbidities or severe refractory mental disorders; 9. Pregnant and lactating women (where pregnancy is defined as a positive urine pregnancy study); 10. Patients whose physical condition is not suitable for radiation examination; 11. Other situations that researchers consider unsuitable for participating in the experiment.